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authorAndre Przywara <andre.przywara@linaro.org>2014-08-01 13:35:44 +0200
committerTom Rini <trini@ti.com>2014-08-30 07:46:38 -0400
commitfafbc6c000db1196b72ec5acf24f0763a6b4493a (patch)
tree5834b950079992277a564b43759e6fb443bb745f /board/samsung/arndale/arndale.c
parent0bf62d7bc41cc97b5ca7f6ef5ed858f56008257a (diff)
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ARM: enable ARMv7 virt support for the Arndale board
To enable hypervisors utilizing the ARMv7 virtualization extension on the Arndale board, add the simple SMP pen address writer function and add the required configuration variables to switch all cores to HYP mode before launching the OS. This allows booting KVM and Xen directly from u-boot. Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Andre Przywara <andre.przywara@linaro.org> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Diffstat (limited to 'board/samsung/arndale/arndale.c')
-rw-r--r--board/samsung/arndale/arndale.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/board/samsung/arndale/arndale.c b/board/samsung/arndale/arndale.c
index ef88314..83fd3bd 100644
--- a/board/samsung/arndale/arndale.c
+++ b/board/samsung/arndale/arndale.c
@@ -117,3 +117,13 @@ int checkboard(void)
return 0;
}
#endif
+
+#ifdef CONFIG_S5P_PA_SYSRAM
+void smp_set_core_boot_addr(unsigned long addr, int corenr)
+{
+ writel(addr, CONFIG_S5P_PA_SYSRAM);
+
+ /* make sure this write is really executed */
+ __asm__ volatile ("dsb\n");
+}
+#endif